ARDS: Acute respiratory distress syndrome, PaO2: Partial pressure of oxygen, FiO2: Fraction of inspired oxygen.

†Fisher´s exact test or Mann-Whitney test, as appropriate.

Table 3. Crude and adjusted estimates of the odds ratio for in-hospital death and mechanical ventilation estimated by logistic regression among patients with symptomatic SARS-CoV2 infection in comparison to patients with symptomatic influenza.